3-Cyano-6-methoxy-4-(trifluoromethoxy)pyridine-2-sulfonamide
2-Cyano-3-hydroxy-5-(trifluoromethoxy)pyridine-6-carboxylic acid
5-Cyano-2-methoxy-3-(trifluoromethoxy)pyridine-4-sulfonamide
6-Cyano-3-hydroxy-2-(trifluoromethoxy)pyridine-4-acetonitrile
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